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1988 Mercedes-Benz 420SEL 4.2L High Idle
Posted to European Driveability on 8/23/2002 13 Replies

car idles at 1200 rpm in park at operating [...] at the idle valve ai [...] pressure is [...] is correct at cranking rpm,there is good vacum to the ignition [...] the inputs are prsent at the idle control [...] substituted known good control unit,ign control u...

13 Replies Received (View Replies)

  Related Documents & Media  1988 Mercedes-Benz 420SEL

 
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car Vehicle Data

1988 Mercedes-Benz 420SEL

VIN WDBCA35D4J
Engine4.2 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / CIS E
EmissionsFED
SymptomsHigh Idle
OccursAlways
Message Closed w/FIX

car Vehicle Data

1988 Mercedes-Benz 420SEL

VIN WDBCA35D4J
Engine4.2 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / CIS E
EmissionsFED
SymptomsHigh Idle
OccursAlways